Fig. 2From: Market survey of disposable e-cigarette nicotine content and e-liquid volumePercent Difference of Labeled vs. Measured E-liquid Volume (N =39). Measured e-liquid volumes (Grey Area) were lower than labeled e-liquid volumes (Outlined Area) for the majority of evaluated commercial disposable/non-rechargeable e-cigarette products. The percent differences from the label (Figure 2, right column) ranged from -62.1 to 13.3%Back to article page